/usr/share/perl5/LaTeXML/Post/MathImages.pm is in latexml 0.8.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# | LaTeXML::Post::MathImages | #
# | Postprocessor to create images for math | #
# |=====================================================================| #
# | Part of LaTeXML: | #
# | Public domain software, produced as part of work done by the | #
# | United States Government & not subject to copyright in the US. | #
# |---------------------------------------------------------------------| #
# | Bruce Miller <bruce.miller@nist.gov> #_# | #
# | http://dlmf.nist.gov/LaTeXML/ (o o) | #
# \=========================================================ooo==U==ooo=/ #
package LaTeXML::Post::MathImages;
use strict;
use warnings;
use LaTeXML::Post;
use base qw(LaTeXML::Post::LaTeXImages);
sub new {
my ($class, %options) = @_;
$options{resource_directory} = 'mi' unless defined $options{resource_directory};
$options{resource_prefix} = 'mi' unless defined $options{resource_prefix};
return $class->SUPER::new(%options); }
#======================================================================
# Return the list of Math nodes.
sub toProcess {
my ($self, $doc) = @_;
return $doc->findnodes('//ltx:Math'); }
# Return the TeX string to format the image for this node.
sub extractTeX {
my ($self, $doc, $node) = @_;
my $mode = uc($node->getAttribute('mode') || 'INLINE');
my $tex = $self->cleanTeX($node->getAttribute('tex'));
return unless defined $tex;
$mode = 'DISPLAY' if $tex =~ s/^\s*\\displaystyle\s+//; # Strip leading displaystyle
return ($tex =~ /^\s*$/ ? undef : "\\begin$mode $tex\\end$mode"); }
my $MML_NAMESPACE = "http://www.w3.org/1998/Math/MathML"; # [CONSTANT]
sub setTeXImage {
my ($self, $doc, $node, $path, $width, $height, $depth) = @_;
$self->SUPER::setTeXImage($doc, $node, $path, $width, $height, $depth);
# IF the ltx:Math node has a m:math child, add image info to it, too. (MML3)
# if($mml = $node->findnode('m:math',$node)){
if (my $mml = $doc->findnode("child::*[local-name() = 'math' and namespace-uri() = '$MML_NAMESPACE']", $node)) {
$mml->setAttribute('altimg', $path);
$mml->setAttribute('altimg-width', $width);
$mml->setAttribute('altimg-height', $height);
$mml->setAttribute('altimg-valign', -$depth) if defined $depth; } # Note the sign!!
return; }
# Definitions needed for processing inline & display math images
sub preamble {
my ($self, $doc) = @_;
return <<'EOPreamble';
\def\beginINLINE{\lxBeginImage\(}
\def\endINLINE{\)\lxEndImage\lxShowImage}
% For Display, same as inline, but set displaystyle.
\def\beginDISPLAY{\lxBeginImage\(\displaystyle\the\everydisplay}
\def\endDISPLAY{\)\lxEndImage\lxShowImage}
EOPreamble
}
#======================================================================
1;
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